18920454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{450487}}^1$

素因数の和:450499

約数の個数: 16

約数和(自身を含む): 43246848

約数和(自身を除く): 24326394

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 450487, 900974, 1351461, 2702922, 3153409, 6306818, 9460227, 18920454]

約数ペア:

[(1, 18920454), (2, 9460227), (3, 6306818), (6, 3153409), (7, 2702922), (14, 1351461), (21, 900974), (42, 450487)]